condition mean min max 12pM Fe,Midday 42.3626 42.3626 42.3626 12pM Fe,Midnight 35.7304 32.6655 38.7953 58pM Fe,Midday 29.0732 29.0732 29.0732 58pM Fe,Midnight 33.19077142857143 24.7754 73.4601 233pM Fe,Midnight 29.994799999999998 25.9072 33.7176 1160pM Fe,Midday 22.20425714285714 20.7973 23.318 1160pM Fe,Midnight 15.030666666666667 12.6718 18.2749 High carbon,Dark 42.94535333333333 12.268 112.667 High carbon,Light 42.02662769230769 2.1898 124.284 Low carbon,Dark 38.6162 38.6162 38.6162 Phloroglucinol 39.3911 32.0083 53.922 Silicon starvation,12h 61.7271 61.7271 61.7271